OpenTechnical

OT-2026-000048546

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000048546) never changes.

Identity and time

Publication numberOT-2026-000048546 · never reused
Internal UUID01a0ae80-4de7-7642-a832-7d0ed5a94be2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048546
StatusPUBLIC

Content hashes

Canonical text8f807461781260cdc47e733e8c1eb855ab943b6b630fdb416adcd3fcb5c9bcfd
Markdown3ad4605cb14b3922e58785c9212842145f7134e72be39f919d268eacf89b12f9
PDF
Publication page5dc6c680c5eeaf9cd448b14fbdea2010611cdf49ebd42401a8a1fa49131b3266
Manifestcc1faa80c352e5d905da0ab8e61771912c475f179bf08ce1b1356f2ec9c6c5b7

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureMwAw3UYkQWumtX0AVyRq28HV9rNjGGdWED7n9izZCwxlZCni+fW5GLuIZrP1Qkz0oLmJWF2GEhjqybd8QJmiBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:20.366674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048546
observed 5dc6c680c5eeaf9cd448b14fbdea2010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.348796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048546/manifest.json
observed cc1faa80c352e5d905da0ab8e6177191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.332334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048546/publication.md
observed 3ad4605cb14b3922e58785c921284214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.312403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048546/publication.txt
observed 8f807461781260cdc47e733e8c1eb855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.